[{"data":1,"prerenderedAt":91},["ShallowReactive",2],{"news-\u002Fnews\u002Fitu-t-studying-quantum-resistant-support":3},{"id":4,"title":5,"author":6,"authorTitle":7,"authorUrl":8,"body":9,"canonical":8,"category":43,"date":44,"description":45,"draft":46,"extension":47,"faqs":48,"findingsSource":8,"geo":58,"image":60,"industries":61,"keyFindings":8,"meta":64,"modified":65,"navigation":66,"path":67,"pullquote":8,"recommendations":8,"references":68,"related":72,"seo":79,"seoTitle":80,"signposts":8,"slug":81,"stats":8,"stem":82,"tags":83,"tldr":89,"__hash__":90},"news\u002Fnews\u002Fitu-t-studying-quantum-resistant-support.md","ITU-T Continues Studying Quantum-Resistant Support for Networks and Certificates","ArcQubit Team","",null,{"type":10,"value":11,"toc":39},"minimark",[12,17,24,27,30,33],[13,14,16],"h2",{"id":15},"itu-t-continues-studying-quantum-resistant-support","ITU-T continues studying quantum-resistant support",[18,19,20],"p",{},[21,22,23],"strong",{},"1 JANUARY 2025, GENEVA",[18,25,26],{},"The ITU-T, the standardization arm of the International Telecommunication Union, continues studying quantum-resistant support. It published recommendation X.1811 in 2021, scoped specifically to 5G, and its Study Group 17 under Question 11 is examining changes to X.509 certificates. The work remains in study across much of its scope rather than settled into broad recommendations.",[18,28,29],{},"The X.509 work is the piece with the widest reach. X.509 is the standard format for the digital certificates that underpin secure connections and identity across the internet, so adapting it for post-quantum algorithms is necessary for quantum-resistant certificates to work at scale. That is why a dedicated study group examines the changes the format needs.",[18,31,32],{},"X.1811's narrower scope shows the ITU-T addressing specific domains first. By covering 5G in 2021 while the broader certificate work continues, the ITU-T delivered targeted guidance where it could, leaving the larger X.509 question to ongoing study. Organizations should treat the ITU-T's quantum-resistant guidance as developing rather than complete.",[18,34,35,38],{},[21,36,37],{},"Why it matters."," The ITU-T's work matters most for the certificate ecosystem, where X.509 changes will shape how quantum-resistant certificates function across networks. With X.1811 covering 5G and the X.509 work still under study, the guidance is evolving. Organizations that rely on telecom standards or digital certificates should track Study Group 17, since its recommendations will influence how vendors build and deploy post-quantum certificates.",{"title":7,"searchDepth":40,"depth":40,"links":41},2,[42],{"id":15,"depth":40,"text":16},"Policy","2025-01-01","The ITU-T continues studying quantum-resistant support, with X.1811 scoped to 5G and a study group examining changes to X.509 certificates.",false,"md",[49,52,55],{"q":50,"a":51},"What has the ITU-T done on quantum-resistant support?","The ITU-T published X.1811 in 2021, scoped to 5G, and its Study Group 17 (Question 11) continues studying changes to X.509 certificates. The work remains in study rather than settled recommendations across the board, so the ITU-T is still developing its quantum-resistant guidance.",{"q":53,"a":54},"Why does X.509 matter for post-quantum?","X.509 is the standard format for digital certificates that underpin secure connections and identity on the internet. Adapting it for post-quantum algorithms is necessary for quantum-resistant certificates to work widely, which is why a study group is examining the needed changes.",{"q":56,"a":57},"Is the ITU-T work complete?","No. X.1811 addresses 5G specifically, and the broader X.509 work is still under study. Organizations should view the ITU-T's quantum-resistant guidance as developing, and track Study Group 17 for recommendations that affect certificates.",[59],"geneva","\u002Fassets\u002Fog-default.png",[62,63],"Communications","Information Technology",{},"2026-08-28",true,"\u002Fnews\u002Fitu-t-studying-quantum-resistant-support",[69],{"label":70,"url":71},"International Telecommunication Union, Telecommunication Standardization Sector (ITU-T), \"X.1811 and Study Group 17 Question 11 work on quantum-resistant support,\" 2021 onward.","https:\u002F\u002Fwww.itu.int\u002Fen\u002FITU-T\u002F",[73,76],{"label":74,"url":75},"ISO\u002FIEC JTC1 SC27 Maintains a Standing Document on Post-Quantum Cryptography","\u002Fnews\u002Fiso-iec-sc27-standing-document-pqc",{"label":77,"url":78},"IETF RFC 9958 Explains Post-Quantum Cryptography for Engineers","\u002Fnews\u002Fietf-rfc-9958-pqc-for-engineers",{"title":5,"description":45},"ITU-T Continues Studying Quantum-Resistant Support","itu-t-studying-quantum-resistant-support","news\u002Fitu-t-studying-quantum-resistant-support",[84,85,86,87,88],"post-quantum cryptography","operational technology","quantum readiness","industry analysis","for enterprises","The ITU-T continues studying quantum-resistant support, with its 2021 X.1811 recommendation scoped to 5G and a study group examining changes to X.509 certificates.","q4G2BwvFpCWpe8tjL1Kh08m-uxwtM8Ra_rBssZjuT7o",1792182886836]